<template>
  <div class="swiper-container skuImg-container">
    <div class="swiper-wrapper">
      <div
        class="swiper-slide"
        v-for="(skuImg, index) in skuInfo.skuImageList"
        :key="skuImg.id"
      >
        <img
          @click="changeImg(index, skuImg.imgUrl)"
          :class="{ active: currentIndex === index }"
          :src="skuImg.imgUrl"
        />
      </div>
    </div>
    <div class="swiper-button-next"></div>
    <div class="swiper-button-prev"></div>
  </div>
</template>

<script>
import Swiper from 'swiper'
import { mapGetters, mapMutations } from 'vuex'
export default {
  name: 'ImageList',
  data() {
    return {
      currentIndex: 0,
    }
  },
  computed: {
    ...mapGetters('detail', ['skuInfo']),
  },
  watch: {
    skuInfo() {
      this.$nextTick(() => {
        new Swiper('.skuImg-container', {
          slidesPerView: 'auto', // 显示几张图片
          spaceBetween: 100, // 两张图片之间的间距
          navigation: {
            nextEl: '.swiper-button-next',
            prevEl: '.swiper-button-prev',
          },
        })
      })
    },
  },
  methods: {
    ...mapMutations('detail', ['UPDATE_DETAIL_SKU_DEFAULT_IMG']),
    changeImg(index, url) {
      this.currentIndex = index
      this.UPDATE_DETAIL_SKU_DEFAULT_IMG(url)
    },
  },
}
</script>

<style lang="less" scoped>
.swiper-container {
  position: relative;
  height: 56px;
  width: 412px;
  box-sizing: border-box;
  padding: 0 12px;
  overflow: hidden;
  element.style {
    transform: translate3d(0px, 0px, 0px);
  }
  .swiper-container-android .swiper-slide,
  .swiper-wrapper {
    transform: translateZ(0);
  }
  .swiper-wrapper {
    
    .swiper-slide {
      width: 56px;
      height: 56px;
      position: relative;
      transition-property: transform;

      img {
        width: 100%;
        height: 100%;
        border: 1px solid #ccc;
        padding: 2px;
        width: 50px;
        height: 50px;
        display: block;

        &.active {
          border: 2px solid #f60;
          padding: 1px;
        }

        &:hover {
          border: 2px solid #f60;
          padding: 1px;
        }
      }
    }
  }

  .swiper-button-next {
    left: auto;
    right: 0;
  }

  .swiper-button-prev {
    left: 0;
    right: auto;
  }

  .swiper-button-next,
  .swiper-button-prev {
    position: absolute;
    box-sizing: border-box;
    width: 12px;
    height: 56px;
    background: rgb(235, 235, 235);
    border: 1px solid rgb(204, 204, 204);
    top: 0;
    margin-top: 0;
    &::after {
      // font-family: swiper-icons;
      font-size: 12px;
    }
  }
}
</style>
